Initialize SDL_AudioSpec before using it to create an audio stream

Author: slouken

src/codecs/music_drflac.c

@@ -184,6 +184,7 @@ static void *DRFLAC_CreateFromIO(SDL_IOStream *src, SDL_bool closeio)
     }
 
     /* We should have channels and sample rate set up here */
+    SDL_zero(srcspec);
     srcspec.format = SDL_AUDIO_S16;
     srcspec.channels = music->channels;
     srcspec.freq = music->sample_rate;

src/codecs/music_flac.c

@@ -421,6 +421,7 @@ static void flac_metadata_music_cb(
 
         /* We check for NULL stream later when we get data */
         SDL_assert(!music->stream);
+        SDL_zero(srcspec);
         srcspec.format = SDL_AUDIO_S16;
         srcspec.channels = channels;
         srcspec.freq = (int)music->sample_rate;

src/codecs/music_fluidsynth.c

@@ -234,6 +234,7 @@ static FLUIDSYNTH_Music *FLUIDSYNTH_LoadMusic(void *data)
         goto fail;
     }
 
+    SDL_zero(srcspec);
     srcspec.format = src_format;
     srcspec.channels = channels;
     srcspec.freq = (int) samplerate;

src/codecs/music_gme.c

@@ -218,6 +218,7 @@ static void *GME_CreateFromIO(struct SDL_IOStream *src, SDL_bool closeio)
     music->tempo = 1.0;
     music->gain = 1.0;
 
+    SDL_zero(srcspec);
     srcspec.format = SDL_AUDIO_S16;
     srcspec.channels = 2;
     srcspec.freq = music_spec.freq;

src/codecs/music_minimp3.c

@@ -100,6 +100,7 @@ static void *MINIMP3_CreateFromIO(SDL_IOStream *src, SDL_bool closeio)
         return NULL;
     }
 
+    SDL_zero(file_spec);
     file_spec.format = SDL_AUDIO_S16;
     file_spec.channels = (Uint8)music->dec.info.channels;
     file_spec.freq = (int)music->dec.info.hz;

src/codecs/music_modplug.c

@@ -179,6 +179,7 @@ void *MODPLUG_CreateFromIO(SDL_IOStream *src, SDL_bool closeio)
 
     music->volume = MIX_MAX_VOLUME;
 
+    SDL_zero(srcspec);
     srcspec.format = (settings.mBits == 8) ? SDL_AUDIO_U8 : SDL_AUDIO_S16;
     srcspec.channels = settings.mChannels;
     srcspec.freq = settings.mFrequency;

src/codecs/music_mpg123.c

@@ -322,6 +322,7 @@ static void *MPG123_CreateFromIO(SDL_IOStream *src, SDL_bool closeio)
     SDL_assert(format != -1);
     music->sample_rate = rate;
 
+    SDL_zero(srcspec);
     srcspec.format = (SDL_AudioFormat)format;
     srcspec.channels = channels;
     srcspec.freq = (int)rate;
@@ -410,6 +411,7 @@ static int MPG123_GetSome(void *context, void *data, int bytes, SDL_bool *done)
             SDL_DestroyAudioStream(music->stream);
         }
 
+        SDL_zero(srcspec);
         srcspec.format = (SDL_AudioFormat)format;
         srcspec.channels = channels;
         srcspec.freq = (int)rate;

src/codecs/music_ogg.c

@@ -220,6 +220,7 @@ static int OGG_UpdateSection(OGG_music *music)
         music->stream = NULL;
     }
 
+    SDL_zero(srcspec);
     srcspec.format = SDL_AUDIO_S16;
     srcspec.channels = vi->channels;
     srcspec.freq = (int)vi->rate;

src/codecs/music_ogg_stb.c

@@ -142,6 +142,7 @@ static int OGG_UpdateSection(OGG_music *music)
         music->stream = NULL;
     }
 
+    SDL_zero(srcspec);
     srcspec.format = SDL_AUDIO_F32;
     srcspec.channels = vi.channels;
     srcspec.freq = (int)vi.sample_rate;

src/codecs/music_opus.c

@@ -191,6 +191,7 @@ static int OPUS_UpdateSection(OPUS_music *music)
         music->stream = NULL;
     }
 
+    SDL_zero(srcspec);
     srcspec.format = SDL_AUDIO_S16;
     srcspec.channels = op_info->channel_count;
     srcspec.freq = 48000;